An adult and seven juveniles — all armed-robbery suspects — were in police custody following a chase that resulted in minor injuries when two law enforcement vehicles collided Tuesday morning in Phoenix, authorities said.

According to police, at least six of the suspects entered a convenience store near 18th Avenue and Grant Street around 1:40 a.m. One of them threatened the clerk at gunpoint to open the cash register.

Police said the other individuals took cigarettes and other items from the store. The suspects drove off in a maroon Dodge Caravan, police said.

At 2:07 a.m., the same group committed another armed robbery of a convenience store, near 59th Avenue and Thomas Road and drove off in the same van, police said.

Shortly after the second robbery, the van was spotted near Interstate 17 and Indian School Road. Phoenix police officers Arizona Department of Public Safety troopers pursued them, according to police.

During the pursuit, a Phoenix police vehicle collided with a Department of Public Safety vehicle near First Avenue and Monroe Street, police said. No injuries were reported, and the damage was minor, police said.

Eventually, the van stopped in an apartment complex near 37th Street and McDowell Road and all eight of the occupants of the van tried to run away, police said.

A juvenile male was bitten by a police K-9, police said. The driver, Sandoval, four male juveniles and three females ages 16 to 17, were taken into custody, police said.

All suspects are being charged with several counts of armed robbery, police said. The juveniles will be detained at the Maricopa County Juvenile Court Center. Sandoval was booked into the Maricopa County Jail, police said.

Detectives believe the suspects have committed similar crimes and are investigating other cases for a connection, police added.